PURPOSE: To provide a builtup pool easy in assembling, small in number of parts and low in manufacturing cost. ;CONSTITUTION: A segment 13 of a builtup pool formed by plural segments is constructed so that a peripheral wall 3 of the pool 1 and the bottom wall 2 thereof are integrally formed by plastics. The peripheral wall 3 is formed in such a manner as to have an inverted U-shaped section comprising an inner peripheral wall 31 and an outer peripheral wall 32, which is raised from the bottom wall 2 and folded back at the upper end area to be extended to the lower end area. A step 4 for an entrance to the pool 1 is integrated with the inner peripheral wall 31 and the outer peripheral wall 32 respectively.;COPYRIGHT: (C)1994,JPO&Japio
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